Digital Fact, Inc., whose president Hajime Ozu is the author of "The Illustrated Encyclopedia of the World's Missile Systems" (in Japanese language), researches the history of missile systems and edits informations in the missile database of Missile.index.
Missile search system of Missile.index was developed and is maintained by Knowledge Design, Inc.

Special thanks to

Shinkigensha Co.Ltd.
They gave us permission to publish the book "The Illustrated Encyclopedia of the World's Missile Systems" on the Net.

Hitoshi Kitamura
All these fine illustrations in Missile.index were made by him.